Home / 147,291.75-203,262.62-80,223.75

Finding the Fourth Proportional to 147,291.75, 203,262.62 and 80,223.75

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Solution

The fourth proportional to 147,291.75, 203,262.62 and 80,223.75 is: 110,708.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,291.75 : 203,262.62 = 80,223.75 : x
  2. Step 2: Convert to fraction form
    147,291.75/203,262.62 = 80,223.75/x
  3. Step 3: Cross multiply
    147,291.75x = 203,262.62 × 80,223.75
  4. Step 4: Simplify right side
    147,291.75x = 16,306,489,210.11
  5. Step 5: Solve for x
    x = 16,306,489,210.11/147,291.75
  6. Step 6: Final answer
    x = 110,708.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.